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EP2072895B1 - Brûleur à gaz avec conduit à air principal amélioré - Google Patents

Brûleur à gaz avec conduit à air principal amélioré Download PDF

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Publication number
EP2072895B1
EP2072895B1 EP07123470.2A EP07123470A EP2072895B1 EP 2072895 B1 EP2072895 B1 EP 2072895B1 EP 07123470 A EP07123470 A EP 07123470A EP 2072895 B1 EP2072895 B1 EP 2072895B1
Authority
EP
European Patent Office
Prior art keywords
conduit
gas
venturi pipe
coaxial
primary air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07123470.2A
Other languages
German (de)
English (en)
Other versions
EP2072895A1 (fr
Inventor
Nico Biagioli
Piero Armanni
Marco Starnini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to PL07123470T priority Critical patent/PL2072895T3/pl
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP07123470.2A priority patent/EP2072895B1/fr
Priority to ES07123470.2T priority patent/ES2504516T3/es
Priority to CA2705691A priority patent/CA2705691A1/fr
Priority to AU2008337734A priority patent/AU2008337734B2/en
Priority to CN2008801188383A priority patent/CN101883952B/zh
Priority to JP2010538552A priority patent/JP5449188B2/ja
Priority to NZ584906A priority patent/NZ584906A/en
Priority to US12/745,785 priority patent/US9909758B2/en
Priority to KR1020107011691A priority patent/KR101504791B1/ko
Priority to RU2010129524/06A priority patent/RU2438069C1/ru
Priority to BRPI0820790-9A priority patent/BRPI0820790A2/pt
Priority to PCT/EP2008/066833 priority patent/WO2009077348A1/fr
Publication of EP2072895A1 publication Critical patent/EP2072895A1/fr
Application granted granted Critical
Publication of EP2072895B1 publication Critical patent/EP2072895B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14701—Swirling means inside the mixing tube or chamber to improve premixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Claims (10)

  1. Brûleur à gaz pour appareils de cuisson à gaz, et en particulier pour les cuisinières domestiques, comportant :
    - un corps (2) de brûleur sur lequel sont montées une ou plusieurs couronnes (3B, 3C) de flamme,
    - un tube (4) de Venturi,
    - un conduit (1) d'acheminement de gaz, prolongé horizontalement ou verticalement et se terminant par une buse (5) à l'intérieur dudit corps de brûleur, apte à injecter l'écoulement de gaz provenant dudit conduit (1) d'acheminement dans ledit tube (4) de Venturi,
    - des moyens servant à créer l'aspiration de l'écoulement d'air principal, comprenant deux circuits d'entrée différents :
    - un premier circuit comportant un conduit (6) disposé autour dudit conduit (1) d'acheminement de gaz et coaxial à celui-ci, formant un espace intercalaire annulaire prolongé (7),
    - et le deuxième circuit comportant une ouverture débouchante (8) disposée dans une position en aval de ladite buse (5) et en amont de l'entrée dans ledit tube (4) de Venturi,
    - ledit conduit coaxial (6) étant apte à prélever le débit d'air principal approprié à partir d'une zone intérieure dudit appareil de cuisson, ladite ouverture (8) étant susceptible de permettre l'admission du débit respectif d'air principal qui est aspiré et provient de la zone supérieure dudit appareil de cuisson,
    caractérisé en ce que :
    - des moyens de génération de turbulence dans l'air sont incorporés, les moyens de génération de turbulence dans l'air étant des ailettes (10, 10A) de brassage capables de brasser le débit d'air principal dans ledit conduit coaxial (6),
    - et ceux-ci sont logés à l'intérieur dudit espace intercalaire annulaire (7), s'étendant de la surface extérieure dudit conduit (1) d'acheminement de gaz à la surface intérieure dudit conduit coaxial (6).
  2. Brûleur à gaz selon la revendication 1, caractérisé en ce que lesdits moyens de brassage comportent une pluralité d'ailettes (10), disposées radialement par rapport à l'axe (X) dudit conduit (1) de gaz.
  3. Brûleur à gaz selon la revendication 1, caractérisé en ce que lesdits moyens de brassage comportent une pluralité d'ailettes (10A), disposées de manière hélicoidale par rapport à l'axe (X) dudit conduit (1) de gaz et sur sa surface extérieure (11).
  4. Brûleur à gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit conduit coaxial (6) est placé en correspondance avec la partie d'extrémité et autour de la surface extérieure (11) dudit conduit (1) de gaz.
  5. Brûleur à gaz selon la revendication 1, caractérisé en ce que ledit conduit coaxial (6) et ledit tube de Venturi sont orientés horizontalement, et en ce que ledit conduit coaxial est muni d'un prolongement (9) s'étendant vers l'avant et en direction dudit tube (4) de Venturi jusqu'à rejoindre sensiblement son embouchure d'entrée, et en ce que ladite ouverture débouchante (8) est disposée dans ledit prolongement (9), ladite ouverture (8) étant placée dans la partie supérieure dudit prolongement (9).
  6. Brûleur à gaz selon les revendications 1 à 4, caractérisé en ce que ledit conduit (1) de gaz, ledit tube (4) de Venturi et ledit conduit coaxial (6) sont orientés verticalement et sont fondamentalement alignés, et en ce que ladite ouverture débouchante (8) est constituée par une ouverture cylindrique ou tronconique sur 360° dont l'axe est aligné ou parallèle à l'axe dudit tube (4) de Venturi, et est délimitée sur un côté par l'embouchure d'entrée dudit tube (4) de Venturi et sur le côté opposé par ledit conduit coaxial.
  7. Appareil de cuisson, en particulier cuisinière, comportant un brûleur selon l'une des revendications précédentes, caractérisé en ce qu'il est muni d'un plan ou d'une surface supérieure (12) qui forme partiellement la face inférieure de la goulotte (13) d'entrée à aspiration dudit deuxième circuit et qui entre dans ladite ouverture débouchante (8).
  8. Appareil de cuisson selon la revendication 7, caractérisé en ce que l'embouchure d'entrée (14) de ladite goulotte (13) d'entrée est disposée exactement au-dessus de ladite surface supérieure (12).
  9. Appareil de cuisson selon la revendication 8, caractérisé en ce qu'en correspondance avec ladite embouchure d'entrée (14), ledit plan supérieur (12) est réalisé avec une forme (15) en relief.
  10. Appareil de cuisson selon la revendication 9, caractérisé en ce que ladite forme (14) en relief est constituée en façonnant ledit plan supérieur (12).
EP07123470.2A 2007-12-18 2007-12-18 Brûleur à gaz avec conduit à air principal amélioré Not-in-force EP2072895B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
EP07123470.2A EP2072895B1 (fr) 2007-12-18 2007-12-18 Brûleur à gaz avec conduit à air principal amélioré
ES07123470.2T ES2504516T3 (es) 2007-12-18 2007-12-18 Quemador de gas con conducto de aire principal mejorado
PL07123470T PL2072895T3 (pl) 2007-12-18 2007-12-18 Palnik gazowy z ulepszonym przewodem na powietrze pierwotne
NZ584906A NZ584906A (en) 2007-12-18 2008-12-04 Gas burner for cooking applicances with air turbulating means to stir the primary air flow
CN2008801188383A CN101883952B (zh) 2007-12-18 2008-12-04 具有改进的初级空气道的燃气燃烧器
JP2010538552A JP5449188B2 (ja) 2007-12-18 2008-12-04 改良された一次空気導管を備えるガスバーナ
CA2705691A CA2705691A1 (fr) 2007-12-18 2008-12-04 Bruleur a gaz a conduite d'air primaire perfectionnee
US12/745,785 US9909758B2 (en) 2007-12-18 2008-12-04 Gas burner with improved primary air duct
KR1020107011691A KR101504791B1 (ko) 2007-12-18 2008-12-04 개선된 일차 공기 덕트를 갖는 가스 버너
RU2010129524/06A RU2438069C1 (ru) 2007-12-18 2008-12-04 Газовая горелка с усовершенствованным первичным воздуховодом и газовая плита, содержащая такую горелку
BRPI0820790-9A BRPI0820790A2 (pt) 2007-12-18 2008-12-04 Queimadores de gás com canal de ar primário aperfeiçoado
PCT/EP2008/066833 WO2009077348A1 (fr) 2007-12-18 2008-12-04 Brûleur à gaz à conduite d'air primaire perfectionnée
AU2008337734A AU2008337734B2 (en) 2007-12-18 2008-12-04 Cooking appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07123470.2A EP2072895B1 (fr) 2007-12-18 2007-12-18 Brûleur à gaz avec conduit à air principal amélioré

Publications (2)

Publication Number Publication Date
EP2072895A1 EP2072895A1 (fr) 2009-06-24
EP2072895B1 true EP2072895B1 (fr) 2014-07-23

Family

ID=39521808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07123470.2A Not-in-force EP2072895B1 (fr) 2007-12-18 2007-12-18 Brûleur à gaz avec conduit à air principal amélioré

Country Status (13)

Country Link
US (1) US9909758B2 (fr)
EP (1) EP2072895B1 (fr)
JP (1) JP5449188B2 (fr)
KR (1) KR101504791B1 (fr)
CN (1) CN101883952B (fr)
AU (1) AU2008337734B2 (fr)
BR (1) BRPI0820790A2 (fr)
CA (1) CA2705691A1 (fr)
ES (1) ES2504516T3 (fr)
NZ (1) NZ584906A (fr)
PL (1) PL2072895T3 (fr)
RU (1) RU2438069C1 (fr)
WO (1) WO2009077348A1 (fr)

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EP2833060A1 (fr) * 2013-08-01 2015-02-04 ELECTROLUX PROFESSIONAL S.p.A. Brûleur au gaz pour table de cuisson
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ES2542346B1 (es) * 2014-02-03 2016-05-17 Bsh Electrodomesticos Espana Sa Quemador de gas, punto de coccion, y cocina
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US10436451B2 (en) 2016-10-06 2019-10-08 Whirlpool Corporation Cap to change inner flame burner to vertical flame
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US11085645B2 (en) * 2018-05-31 2021-08-10 Haier Us Appliance Solutions, Inc. Eductor for a gas cooktop appliance
EP3980687A4 (fr) * 2019-07-10 2023-08-16 Femas Metal San. Ve Tic. A.S. Ensemble brûleur à gaz pour appareil de cuisson à gaz
WO2021006832A1 (fr) * 2019-07-10 2021-01-14 Femas Metal San. Ve Tic. A.S. Ensemble brûleur ayant un élément venturi amélioré
CN110425576B (zh) * 2019-07-26 2020-12-25 宁波方太厨具有限公司 燃气灶具

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Also Published As

Publication number Publication date
AU2008337734A1 (en) 2009-06-25
KR101504791B1 (ko) 2015-03-20
NZ584906A (en) 2012-05-25
WO2009077348A1 (fr) 2009-06-25
PL2072895T3 (pl) 2014-12-31
US9909758B2 (en) 2018-03-06
BRPI0820790A2 (pt) 2015-06-16
RU2438069C1 (ru) 2011-12-27
CN101883952B (zh) 2012-09-05
AU2008337734B2 (en) 2012-04-19
JP2011506904A (ja) 2011-03-03
US20110048400A1 (en) 2011-03-03
CN101883952A (zh) 2010-11-10
JP5449188B2 (ja) 2014-03-19
EP2072895A1 (fr) 2009-06-24
CA2705691A1 (fr) 2009-06-25
KR20100098614A (ko) 2010-09-08
ES2504516T3 (es) 2014-10-08

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